Truncate

terminating abruptly, as though shortened by the removal of the extremity.

Tube

the tubular portion formed by the cohesion of the subordinate parts composing a floral whorl.

Tuber

a fleshy, swollen, subterranean rhizome, like the potato.

Tubercle

a small wart-like excrescence.

Tubercled

Tubereulate, bearing or covered with tubercles.

Tuberous

resembling a tuber.

Tubular

hollow and cylindrical.

Tumid

swollen and inflated.

Turbinate

top-shaped.

Turgid

thick, as if swollen, but not inflated.

Twining

twisting in spiral folds round a support.

Umbel

a form of inflorescence in which all the pedicels start from the summit of a-peduncle.

Umbellate

arranged in umbels.

Under-shrub

a plant only partially shrubby, the ends of the newly-formed branches continuing herbaceous, and dying away in winter.

Unilateral

disposed along one side.

Unisexual

applied to flowers which have either stamens alone or pistils alone.

Urceolate

shaped like a pitcher with a contracted mouth.

Unsymmetrical

having the parts neither equal nor proportional in number.

Utricle

a little bladder filled with air attached to the stems of certain aquatic plants.

Valve

distinct portions of certain organs which become detached by regular dehiscence along definite lines of suture, as the valves of anthers and the valves of carpels.

Valvate

united by the margins only, not overlapping.

Ventricose

bellied or swelling out on one side.

Vertical

having the axis perpendicular to the part from which it arises.

Verticillasters

short cymes in the axils of the leaves of labiate plants, giving the appearance of whorled flowers.

Viscid

glutinous and clammy.

Vitta

a narrow elongated receptacle of aromatic oil occurring, variously disposed, in the fruits of Umbelli-fers.

Waved

Wavy, having an alternately convex or concave surface or margin.

Waxy

resembling wax in texture.

Whorl

an arrangement in which the parts are set in a circle round an axis all on the same plane.

Whorled

disposed in whorls.

Wing

a membranous expansion; also each of the two lateral petals in a papilionaceous or other irregular flower, when these differ from the rest.

Woolly

having long curled hairs, matted together like wool.